Maintenance and Service Guide
Special keys
Table 2-9 Special key components and descriptions
Component Description
(1) esc key Displays system information when pressed in combination with
the fn key.
(2) fn key Executes specic functions when pressed in combination with
another key.
(3) Windows key Opens the Start menu.
NOTE: Pressing the Windows key again will close the Start menu.
(4) Action keys Execute frequently used system functions.
NOTE: On select products, the f5 action key turns the keyboard
backlight feature o or on.
18 Chapter 2 Exterior components